Version 1.0.0

# :warning: :walking: Not ready to be merged!

- [x] Improve reading UX
- [x] Remove dependency to bootstrap
- [x] Remove HTML5 cache (useless)
- [ ] Support of kramdown
- [ ] Support of footnotes
- [ ] Support of glossary
- [ ] Improve sharing (dropdown menu)
- [ ] Move exercises and quizzes to plugins
- More to come